Probability

-if desks are grouped by 4 and if there are 11 boys and 13 girls in a class what is the probability that I will get placed in a group of all girls?

3 answers

i mean, I know how to do 1 like the probability of getting paired with someone but how does the 4 come in?
because the amount of desks are 4
no, but i mean how do you factor the probability of 4 instead of just 1?